3020-01-052-2844 GEAR,SPUR Index 3020-01-052-2846 GEAR,ANTIBACKLASH,SPUR

National Stock Number:
3020-01-052-2845

Federal Supply Class:
3020

National Item Identification Number:
010522845

Description:
GEAR,ANTIBACKLASH,SPUR

Detail:
An item having one fixed gear and one free gear, both having the same complement of spur gear teeth, mounted on a common hub. The free gear is attached to the fixed gear by springs and operates as one gear. Upon installation with the mating gear, the teeth of the free moving gear are preset to mesh with teeth other than those of the fixed gear. This spring tension between the fixed gear and the free gear eliminates any free motion between the driver and the driven gear. The gear is used where identical and accurate transmitted motion between gears is required.


Manufacturer Information:
80275796214RAYTHEON COMPANY
802757-208896214RAYTHEON COMPANY
MZ3F-88X-AP1 0.000328DESIGNATRONICS INCORPORATED
MZ3F-88X-AP1 0.090 BORE00328DESIGNATRONICS INCORPORATED
ABC37-88 0.090 B23266SECS, INC.
ABC37-88 0.090 BORE23266SECS, INC.
MZ3F88XAQ10WITH000328DESIGNATRONICS INCORPORATED
MZ3F88XAQ10WITH0900B00328DESIGNATRONICS INCORPORATED


Techincal Specification:
ATTACHMENT METHODCLAMP
BORE NOMINAL DIAMETER0.090 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
END NOMINAL DIAMETER0.187 INCHES FIRST END
END NOMINAL LENGTH0.189 INCHES FIRST END
FACE NOMINAL WIDTH0.104 INCHES
FIRST STEP NOMINAL DIAMETER0.250 INCHES FIRST END
FIRST STEP NOMINAL LENGTH0.032 INCHES FIRST END
HUB STYLE DESIGNATOR1 STEP FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE HUB
MATERIALALUMINUM ALLOY 2024 BODY
MATERIALSTEEL COMP 303 HUB
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.221 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER1.250 INCHES
PITCH DIAMETER1.2222 INCHES NOMINAL
PRECISION CLASSIFICATIONQUALITY NUMBER 10
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE BODY
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35,TYPE 1 FED SPEC SINGLE TREATMENT RESPONSE HUB
SURFACE TREATMENTANODIZE BODY
SURFACE TREATMENTPASSIVATE HUB
TEETH QUANTITY88
TOOTH FORMSTANDARD


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